Jobs at Djinni

About the role:

We are looking for a Middle Front-End Developer to join a team building a web-based

platform of embeddable widgets, UI SDKs, and admin systems.

Our products are embedded UI applications running on customer websites, standalone web

widgets, together with Angular-based admin panels used by customers to access the user measurement results, view 3D body models generated from those measurements, and manage

billing and widget configuration.

You will work at the intersection of:

• Preact-based UI SDKs and widgets
• browser APIs (camera, media, permissions)
• enterprise Angular applications
• data-driven UI and 3D visualization

What You Will Work On:

• Embeddable web widgets (multi-step measurement and data collection)
• UI SDKs (Camera & capture flows) used by customers
• Angular admin panels focused on displaying measurement results and 3D body models, with additional functionality for billing and widget configuration

Responsibilities:

Widget & UI SDK Platform

• Develop and maintain Preact-based embeddable widgets
• Build and extend UI SDKs integrated into customers’ websites
• Work with browser APIs (camera, permissions, media)

UI & State Management

• Build reusable UI components using Preact / React
• Extend and maintain Redux-based state
• Add, remove, and modify screens in multi-step widget flows
• Implement custom UI screens and inputs

Admin Panels (Angular)

• Maintain and develop Angular (v8-12) admin panels
• Work with RxJS-based reactive data flows
• Use NgRx for application state management
• Build complex forms, tables, and dashboards
• Support Stripe billing UI
• Support Google OAuth authentication
• Support 3D body models and viewers using Three.js
• Debug and refactor legacy Angular code

Build, Release & Integration

• Prepare customer-specific builds
• Support script-based integration
• Debug issues on customer websites and internal environments

Tech Stack:

• JavaScript (ES6+)
• Preact / React
• Redux
• Angular (v8-12)
• RxJS
• NgRx
• Three.js
• HTML5, CSS3
• npm, Webpack
• Git, GitHub
• Browser APIs (camera, media, permissions)

Requirements:

Must Have

• 5+ years of experience in Front-End development
• Strong JavaScript fundamentals
• Experience with React or Preact
• Experience with Redux
• Experience with Angular (v8-12)
• Experience with RxJS and reactive data flows
• Experience using NgRx
• Experience maintaining production frontend systems
• Ability to debug issues in real customer integrations
• English at B2 level or higher — sufficient for working with documentation, Customer
• Success, and customer integrations

Nice to Have

• Experience building embeddable widgets or UI SDKs
• Experience with Three.js
• Experience working with authentication and billing-related UI
• Experience with browser APIs

Who Will Succeed

Someone who:

• enjoys complex frontend systems
• is comfortable with multiple frameworks
• is comfortable working closely with the Customer Success team to diagnose integration issues, support customer launches, and ensure smooth flow

NEEDED is a leading recruitment agency specialising in talent acquisition for dynamic industries such as iGaming, Crypto, FinTech and IT. Since our inception, we have been committed to connecting the best professionals with companies that are changing the market. Our team is made up of experts with a passion for career development and creating win-win partnerships.
 

What you will do:

• Source and reach out to potential candidates through various channels, including international job boards, social media, and networking
• Build and maintain a pipeline of qualified IT professionals globally to meet current and future hiring needs in different countries
• Conduct thorough candidate assessments, evaluating soft skills, experience, cultural fit and assess the available form of employment in a specific country
• Provides the candidate with information about employment options in accordance with the possibilities and collaboration policies in different countries; ensures the feasibility check of collaboration
• Coordinate and conduct initial and follow-up interviews
• Collaborate closely with hiring managers and staffing partners to understand specific talent requirements and develop effective recruitment strategies
• Provide regular updates on recruitment progress, address concerns, and adjust strategies as needed
• Communicate transparently with candidates, keeping them informed about their status and next steps
• Stay informed about industry trends, market conditions, and competitor activities to make strategic recommendations for attracting top talent in different countries
• Maintain accurate and up-to-date candidate records in the applicant tracking system
• Generate regular reports on recruitment metrics to provide insights and recommendations for process improvement.
   

What we are expecting from you:

• 4-5+ years of relevant experience as a Talent Acquisition Specialist
• Strong knowledge of IT roles, technologies, and industry trends
• Upper-Intermediate + level of English
• Strong proficiency in recruitment sourcing strategies, incorporating job campaigns, internet job boards, social networking, and employer branding
• Experience using sourcing tools to find active and passive candidates
• Excellent communication and interpersonal skills
• Ability to manage multiple priorities in a fast-paced environment
• Familiarity with applicant tracking systems and recruitment tools
   

What we are proposing to you:

• Flexible working format - remote, office-based (Cyprus) or flexible
• A competitive salary and bonuses
• Personalised career growth
• Professional development tools
• Regular knowledge sharing
• Travel expenses
• Work-life balance and fun

Проєкт комерційних закупівель компанії E-Tender запрошує в свою Команду Full Stack Developer`а, яка/ий підсилить технічну команду та працюватиме над  розвитком платформи комерційних закупівель.

 Requirements: 

• 2+ years experience 
• C#; .NET Framework; 
• ASP.NET MVC + Web API; 
• Entity Framework; 
• MS SQL Server + SQL Profiler; 
• Message queues(Preffered RabbitMQ Masstransit); 
• Elasticsearch; 
• Angular 2+; 
• Angular centralized state management / ReactiveX / NgRx / RxJS; 
• Git; 
• Javascript/TypeScript + DOM; 
• HTML, CSS, SASS; 
• Experience with Jira or other project management systems, use Time Tracker. 

Responsibilities: 

• Implementation of new features of company projects in a timely and professional manner; 
• Close cooperation with project team members; 
• Use Jira, Time tracker; 
• Perform other related duties as required; 
• Front end/back end 50/50. 

Project & Company Overview

We are a US-based company developing an innovative solution in the HealthCare IT market, combining cutting-edge Business Intelligence technologies with gamification to improve patient outcomes. This is an incredible opportunity to join Emmacare at a pivotal growth stage, lead a talented team, and contribute to solutions that help real people every day.

Our leadership team includes highly experienced and successful professionals who have built multi-million-dollar businesses. We offer a dynamic, startup environment with minimal bureaucracy, fast feedback cycles, and the chance to shape our product.


 

What You’ll Love About Us:

• Work on meaningful projects that make a tangible difference in healthcare.
• Full in-house development
• Opportunity to grow technically, professionally, and in leadership.
• Collaborative, feedback-driven culture with a direct connection to clients.

Key Responsibilities

• End-to-End Product Development: Drive the ongoing design, implementation, and support of the product solutions across Frontend (logic, layouts, CSS markup) and Backend (RESTful APIs, business logic).
• Feature Implementation: Build and optimize real-time, data-rich features using RTC/WebSockets, complex graphs/charts, and interactive grids.
• DevOps & Infrastructure Support: Participate in system deployments, hotfixes, third-party integrations.
• Product Brainstorming: Participate in requirements gathering, product brainstorms, and propose technical product improvements.

Required Technical Skills & Experience

1. Backend Core (PHP & Infrastructure)

• 5+ years of professional experience in backend development.
• Deep knowledge of PHP 8+ and Symfony 5+ frameworks.
• Excellent understanding of relational database management systems (MariaDB, MySQL, or PostgreSQL), including advanced SQL queries, database architecture, and query optimization.
• Practical experience working with Redis (caching and queues) and message brokers like AMQP (RabbitMQ or similar).
• Strong understanding of microservices architecture.

2. Frontend Core (React)

• 5+ years of professional experience in commercial frontend development.
• Expertise in React and state management using Redux.
• Strong foundation in modern JavaScript (ES6+), HTML5, and CSS3.
• Experience with CSS preprocessors (e.g., SASS, SCSS, Less).

3. DevOps & Environment

• Advanced user level of Docker and Docker Compose.
• Advanced Git usage (including complex branching and release strategies).

4. Processes & Communication

• Intermediate to Upper-Intermediate English level (or higher) to facilitate direct client collaboration and team communication.
• Experience working within Agile-family Software Development Life Cycles (SDLC).
• Familiarity with Agile project tools (e.g., Jira with Tempo/Pivot Table extensions, Confluence).

Nice-to-Have (Bonus) Qualifications

• Frontend Extras: Experience with TypeScript and Ant Design (AntD).
• AWS Cloud Services: Basic-to-intermediate knowledge of key AWS infrastructure (S3, SFTP, CloudFront, ECS, ECR, EC2, LoadBalancer, Security/Firewalls, IAM/Policies, SQS, SNS, PinPoint, Route53, etc.).
• CI/CD Automation: Hands-on experience manually creating and configuring CI/CD pipelines (Jenkins, AWS CodePipeline, or similar).
• Serverless Technologies: Experience with Node.js combined with AWS Lambda.
• Product Mindset: Experience in making data-driven product decisions, reporting, and applying Lean Startup methodologies.

What We Offer

• Salary: Fair, market-competitive salary.
• Benefits: Paid vacations and sick leaves.
• Professional Growth: Direct influence on architecture, high-growth potential within an early-stage startup, and technical and professional leadership opportunities.

Altum Software is looking for a proactive Project Manager to join our champion-minded team.

This position requires strong organizational skills and ability to work on many tasks in parallel. The project manager will own the project execution, be responsible for the project schedule, budget management, overall direction, coordination, implementation, execution, control and completion of specific projects ensuring consistency with company strategy, commitments, and goals.

If you`re sure you can maintain the fast-moving pace and successfully deliver our clients` projects with no exceptions, keep reading.

Who we are:
Altum is a Ukrainian software and website development house. We partner with startups and mid-sized businesses to develop innovative, human-centered digital products as well as provide technical expertise to digital agencies from the US and across Western Europe.

Our team consists of business-driven A+ players with a shared value system and winning purpose.

The company environment is designed for constant support, open communication, engaging challenges and the room for career and personal growth.

What we offer:

• Detailed onboarding trainings;
• Ongoing supervising;
• Access to project management software and resources;
• Communication with market leaders;
• Extensive room for growth;
• Honest and improvement-oriented feedback constantly;
• Paid time off and sick leaves;
• A supportive work environment;
• Additional benefits created exclusively for you based on your needs.

What you need:

• Self-motivation and eager willingness to learn and grow;
• Systematic and detailed approach to everything you do;
• Problem solving skills;
• Communication and negotiation skills;
• Experience with management tools;
• Prior experience in project management position;
• Upper intermediate level of English (both written and verbal);
• Clear understanding of project management basis (project planning, timelines, budgets, team composition, management methodologies etc.);
• Understanding the technical side of projects would be a huge plus;
• Network of freelancers would also be a major advantage.

What you`ll do:

• Lead and manage multiple projects simultaneously (approx. 10-12), ensuring successful project delivery. 
  Project types: website development from scratch (45%), website design (15%), website support tickets (25%) and software development (15%).
• Define project scope, objectives, and deliverables that support business goals and meet client expectations.
• Develop detailed project plans, including timelines, milestones, and resource allocation, using project management software.
• Monitor and track project progress, identifying and addressing any issues or risks.
• Communicate project status, updates, and changes to clients and team members.
• Conduct regular status meetings with clients to communicate progress, provide reports, and address any challenges.
• Foster a collaborative and positive team environment, promoting open communication and problem-solving.
• Ensure adherence to project management best practices, methodologies, and standards to maintain high levels of quality throughout the project lifecycle.
• Conduct post-project evaluations to identify areas for improvement and implement lessons learned.

About Yanarchy

Yanarchy is a Los Angeles–based talent agency that partners with unique, driven talents, helping them reach new heights and fulfill their dreams. We focus on cultivating individuality and providing full support so our talents can maximize their potential and achieve their goals. Yanarchy is not just an agency — we are building a future ecosystem of services and monetization tools, developed as independent projects based on our expertise.

Mission

Build, manage, and scale a resilient, high-volume organic lead-generation infrastructure that serves as the primary high-margin revenue driver for the company’s talent portfolio, ensuring total operational control over traffic velocity and asset security.

Goal

Maximise the company’s profitability and revenue growth by engineering, managing, and scaling a high-volume, resilient organic traffic ecosystem that systematically converts media presence into immediate, predictable monetization.

Direct ROI & Revenue Generation: Turn organic distribution into the primary, high-margin revenue driver for the company’s talent portfolio, shifting from chaotic views to predictable cash flow.

Infrastructure-Backed Profitability: Build and operationalize a high-output distribution department from scratch, establishing scalable workflows (automated uniqueization, mass-posting) that lower acquisition costs and maximize profit margins.

Volume & Velocity Leverage: Establish full control over daily lead-generation volumes, using strict performance metrics as direct levers to intentionally scale and manipulate traffic according to business targets.

Operational Resilience (Anti-Ban Stability): Secure the company’s financial growth by building a bulletproof, policy-compliant account infrastructure that eliminates revenue drops caused by platform bans or restrictions

Key Responsibilities

• Crisis Management & Account Infrastructure Resiliency
• Platform Policy Compliance & Risk Mitigation
• P&L Management & ROI Driving
• Build a content generation and distribution pipeline from scratch (idea - creation - publication - analytics).
• Hire and manage a lean team: scriptwriters, creatives, video editors, SMM managers, posters, moderators, and designers.
• Identify and launch key growth channels (TikTok, Meta, Snap, YT, Reddit, X).
• Develop a creative "format bible" for various talents.
• Approve viral and safe content during pre- and post-production stages.
• A/B test creatives, optimizing retention strategies, and conversion funnels.
• Analyze and systematically improve distribution channels based on performance metrics.
• Generate and implement new ideas for organic growth, including launching new channels and formats.

Ideal Candidate

We need a Performance Content expert, not just a creative. You must know how to scale automated content uniqueization while maintaining the critical product metrics (CTR /Retention/engagement) that trigger viral distribution.

Must-haves:

• 2-3+ years of experience as an Organic Growth Lead, Creative Lead, or Marketing Lead in the creator economy or digital media.
• An analytical mindset: understanding how to track and interpret key content performance metrics using tools like TikTok, Meta, Snap, and YouTube Analytics.
• Hands-on experience launching and scaling organic traffic through TikTok, Instagram, Facebook, YouTube, Snap, and Reddit.
• Experience in performance marketing to support organic results and initial growth.
• A deep understanding of the specifics of video distribution: algorithms, formats, platforms, policies, and trends.
• Experience building and managing creative teams (scriptwriters, editors, producers, designers).
• A portfolio with successful case studies: viral campaigns, scaled content strategies, subscriber growth, and increased views/revenue.
• Fluent in English, understanding of trends and pop culture in tier-1 countries.

Will be a plus:

• Understanding of the NSFW industry: content, restrictions, and audience behavior

What We Offer

• Fully remote work with a creative, ambitious, and globally distributed team.
• Competitive, executive-level compensation with performance-based bonuses/equity options.
• Paid vacation, sick leave, and personal days off.
• Fast feedback loop, high autonomy, and minimal bureaucracy.
• A unique opportunity to shape the future ecosystem of services and tools for top-tier global talent.

We are looking for an exceptional Project Manager to lead large-scale e-commerce projects for our clients. Most of our clients are based in the United States, so you must have a very good command of English. We consider only candidates having 5+ years experience in big e-commerce projects, B2B and B2C.

Other requirements include:

1. Strong management skills. Yes, it may seem obvious, but it’s surprisingly rare. You should excel in time management, people management, and, of course, project management.
2. Expert level e-commerce domain and e-commerce platforms knowledge. You should have a deep understanding of e-commerce field, including major platforms, their functionality and capabilities. We primarily work with Magento (Adobe Commerce), but experience with other platforms is also valuable.

3. A strong work ethic and results-driven mindset. Successful project delivery can be challenging, but it is also highly rewarding - both professionally and financially.

    

We offer:
A highly skilled team, challenging projects, remote work with flexible hours, professional equipment, company-sponsored certifications, training, and opportunities for continuous learning and development.
Our benefits package includes 18 days of paid vacation, 5 paid sick days, and additional days off for important life events.

Main communication language is English, but it would be easier for you if you to communicate with the team if you know Ukrainian.

About the Role

We're looking for a sharp, analytically mindedcontractor to support our accounting team with workpaper modernization and dataquery work. This is a hands-on, execution-focused engagement suited for someonewho moves fast, works independently, and takes ownership.

Technical Requirements

 *   Advanced Excel proficiency — pivot tables, dynamic arrays, Power Query, and building structured reporting tools for high-volume datasets
 *   Advanced SQL skills — complex queries, stored procedures, window/analytical functions, and query optimization
 *   Hands-on experience with dbt, Google BigQuery, and Airflow
 *   4–6 years of hands-on experience analyzing and engineering large datasets in a business or finance context
 *   Demonstrated ability to pick up unfamiliar tools and systems quickly

Soft Skills & Work Style

 *   Highly organized with the ability to juggle multiple deliverables
 *   Strong attention to detail without losing sight of the bigger picture
 *   Self-starter who operates well with minimal oversight
 *   Collaborative — comfortable interfacing with accounting and operations teammates
 *   Professional proficiency in English (written and verbal)

Project Responsibilities 

Participate in team PBR (Product Backlog Refinement) sessions: accepting tasks from analysts, reviewing completed business research documents and PRDs together, validating requirements, and discussing technical implementation approaches before development begins. 
Integration & Fiscalization 
Design and develop integration services with external providers and government systems, implement fiscalization logic and e-invoice processing, and own your code all the way through to production release. 
Observability & Support 
Independently maintain the stability of your own solutions. Set up monitoring (metrics, logs) for the services you develop and respond to production alerts. 
Teamwork & Ownership 
Collaborative development of regulatory services. After onboarding and gaining context, we expect you to be able to independently scope, execute, and close integration tasks — such as launching fiscalization in a new country or connecting to government systems with local deployment — without micromanagement.

Candidate's Portrait

We need a self-sufficient engineer who is ready to dive deep into business context, collaborate effectively with the team, and take well-defined analyst requirements all the way to stable production code. 
The ideal candidate demonstrates strong independence, ownership, and ability to work without micromanagement. They are comfortable operating in conditions of uncertainty, proactively gathering requirements, and communicating directly with stakeholders. They should be confident in MySQL and relational databases, have practical experience with Redis, Kafka, and Nats, and be capable of designing and implementing APIs (REST, gRPC, GraphQL). Familiarity with Docker, Kubernetes, ELK stack, and CI/CD tools (GitHub Actions) is expected. Experience with AWS is a plus.

Must-haves 

Commercial Go development experience 4+ years, hands-on REST API design, and a solid understanding of core language principles (memory management, garbage collection, concurrency). 
Data & Messaging 
Experience with Kafka for asynchronous messaging, and strong proficiency with MySQL (or equivalent RDBMS) including transactions, indexing, and locking. 
Caching & Infrastructure 
Experience with Redis (caching strategies), proficiency with Docker and Kubernetes (writing and editing Helm configurations), and practical experience working with CI/CD pipelines (GitLab CI / GitHub Actions). 
English level B1+ 

Nice-to-have

Experience with AWS 
Experience in mobility / ride-hailing / logistics products 
Experience working in distributed international teams 
Experience with Prometheus / Grafana 
Facilitation and decision-making skills in architectural discussions

Why this role exists:

We're looking for a strong individual contributor who owns complex backend features end-to-end — from technical design through production delivery. You'll work independently on challenging problems, write high-quality code at scale, and raise the bar for the team by mentoring less experienced engineers and maintaining engineering standards through thorough code reviews.

What you’ll drive:

Software Architecture and Backend Development

• Design and implement scalable, resilient backend services and APIs.
• Write, test, and debug complex code across new and existing application.
• Own features end-to-end: from understanding requirements, through implementation, to production monitoring.
• Identify and resolve complex technical problems, including performance bottlenecks and architectural debt.
• Maintain comprehensive technical documentation for systems you build.

Collaboration & Mentorship

• Mentor junior and mid-level engineers through pairing, knowledge sharing, and day-to-day guidance.
• Conduct thorough code reviews to ensure quality, security, and adherence to best practices.
• Collaborate with cross-functional teams (product, design, operations) to clarify requirements and align on technical approach.
• Proactively communicate technical trade-offs and progress within the team.

What makes you a GR8 fit:

Must-have

• 5+ years of hands-on backend engineering experience with a strong track record of delivering complex systems.
• Upper-intermediate or higher level of English.
• Understanding of system design: microservices, event-driven architecture, resilient patterns, delivery guarantees, CAP theorem.
• Database knowledge: relational and non-relational databases, SQL optimization, indexing, normalization/denormalization, ACID properties, transaction isolation.
• Working knowledge of Docker, Kubernetes basics, CI/CD pipelines, and Git workflows.
• Strong problem-solving skills: ability to break down ambiguous problems, make pragmatic decisions, and communicate reasoning clearly.
• Advanced proficiency in Node.js and TypeScript, including runtime internals, event loop, async programming, and core modules.
• Advanced TypeScript: strict typing, generics, decorators, utility types, and metaprogramming patterns used in NestJS. 
• Proficiency in designing and implementing scalable RESTful APIs and microservices using NestJS (modules, providers, guards, interceptors, microservices transport, Swagger).
• Event-driven architecture: Kafka for async messaging, BullMQ for background job processing.
• Cloud & infrastructure: AWS SDK (S3, Bedrock), Docker/Docker Compose, Prometheus metrics, GitLab CI/CD

Nice-to-have

• Experience with Go or .NET.
• Experience with Strapi CMS or similar headless CMS platforms.
• Familiarity with Terraform/Terragrunt for infrastructure-as-code.

Workload — Full-time
Duration — 4 years
Location — Munich

We are looking for a Senior Java Developer to support the maintenance, further development, modernization, and 3rd-level support of a complex public-sector software landscape in Munich. The applications include an existing Java Fat Client application, a Java web application based on JSF/PrimeFaces, EAI components, and new modules to be developed using a modern reference architecture with Java backend and Vue 3 frontend. The work includes technical design, implementation, unit testing, documentation, defect correction, and knowledge transfer within an integrated DevOps team.

Key Responsibilities
Analyze technical specifications and clarify open questions independently with the customer/team.
Implement changes and extensions in Java-based individual software systems.
Support the gradual modernization and replacement of legacy Fat Client components.
Work on Java web applications, backend services, EAI components, and new reference architecture modules.
Create and maintain unit tests, mainly with JUnit.
Fix defects found during module, integration, user acceptance, and infrastructure testing.
Contribute to system design, technical documentation, architecture documentation, developer handbook, and operational documentation.
Support 3rd-level incident analysis, root cause investigation, workaround definition, and defect resolution.
Participate in code quality improvement, refactoring, and lifecycle management activities.
Work with the customer’s CI/CD and software production environment.
Transfer knowledge to customer-side developers and internal team members.

Required Skills
Minimum 5 years of professional Java development experience.
Strong experience with Java enterprise applications.
Good knowledge of Java 11 and/or Java 21.
Experience with JEE-related standards and frameworks.
Experience with Spring and Hibernate.
Experience with WildFly / JBoss application servers.
Strong unit testing experience with JUnit.
Experience with Oracle databases, SQL, performance analysis, and database-related troubleshooting.
Experience with Maven, Jenkins, Git, Artifactory, and Sonar.
Experience working with existing/legacy software systems developed by another vendor.
Ability to understand large codebases and improve them incrementally.
Good understanding of software quality, refactoring, coding standards, logging, authorization concepts, and maintainability.
Experience writing technical documentation for developers and operations teams.
German language skills for written and spoken customer communication.

Nice To Have
Experience with Java Fat Client applications.
Experience with OpenWebStart / Java WebStart distribution.
Experience with JSF2 and PrimeFaces.
Experience with Vue 3.
Experience with Apache Artemis.
Experience in public-sector projects.
Experience with structured knowledge transfer from previous vendors or legacy teams.
Experience with test automation, functional testing, system testing, or TestLink.
Experience with proprietary or model-driven Java frameworks; TREND/Framework experience would be a strong plus.
Working Model

The work is expected to be mainly on-site in Munich, especially during onboarding and integration into the customer DevOps team. Remote work may become possible later depending on the consultant’s knowledge level and integration into the project.

We're excited to invite you to complete a test task. We'll send you the details via direct message.

Fortes.vision is a Ukrainian enterprise specializing in 3D visualization services for designers, architects, and real estate professionals worldwide.

We are on the lookout for a project manager to oversee our client relationships. This role is ideal for someone with basic project management experience who is eager to grow and embrace new knowledge.

Requirements:

- Proactive and responsible attitude.

- English proficiency at an upper-intermediate level or higher for client correspondence and meetings.

- Prior education in project management, including any relevant courses or achievements, is highly regarded.

- Enthusiasm for personal development and a receptivity to new ideas.

Additional qualifications that will be advantageous:

- Experience in organizational roles.

- A background in a technical field.

What we offer:

- The flexibility of remote work, allowing you to work from anywhere on your own schedule.

- A competitive and prompt salary, including a base rate and project management bonuses, designed to keep you motivated and appreciated.

- Diverse opportunities for professional growth, enhancing your skills and expanding your knowledge base.

❗️Please note that this role is office-based for Spain.

❗️If you need to be relocated, we take care of the process.

BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. ‍Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.
 

❗️ Important: This is an On-Site Position in Spain❗️

This is an on-site position based at our office in Spain, Valencia. Remote or hybrid arrangements are not available once you join the team.

Are you ready for an international move? 
To make your transition smooth, we provide full relocation support and visa sponsorship for successful international candidates ❗️

⚡ We are looking for an experienced Senior Backend Developer (Node.js) to join our development teams in Valencia and lead the backend technologies of our systems. This is a highly hands-on role: you will be actively writing and reviewing code, shaping architecture, and driving technical excellence while mentoring your team.

✅ Requirements:

✔️Strong knowledge of JavaScript and the ECMAScript 6 standards;

✔️5+ years of commercial experience with Node.js and Nest.js;

✔️5+ years of commercial experience in web development;

✔️Commercial experience of working with high-load SQL or NoSQL databases;

✔️Commercial experience of implementing the REST, GraphQL, and WebSockets;

✔️Understanding of the TDD principles and experience of writing tests;

✔️Understanding of microservice architecture principles;

✔️Experience of GIT version control system;

✔️Experience with RabbitMQ;

✔️Experience with Redis;

✔️Experience with databases MongoDB, MySQL;

✔️At least an Intermediate level of English.
 

✅ Will be a plus:

✔️2+ years of hands-on experience developing over CI/CD/Micro Services architecture/Containers;

✔️Experience with Kubernetes;

✔️Experience with Nats;

✔️Experience with TypeScript.
 

✅ Duties and opportunities:

✔️In-house platform development;

✔️3rd party API integrations;

✔️Actively participate in developing new features from scratch.
 

✅ We offer excellent benefits, including but not limited to:

🧑🏻‍💻 Learning and development opportunities and interesting, challenging tasks;
📝 Official employment following Spain/EU laws, including registration of family members;
✈️ Relocation package (flight tickets + 2-week hotel stay);
📚 Language development support and partial compensation for classes;
🎁 Birthday celebration gift;
🏝 23 working days of Annual Vacation for proper rest;

🏋️‍♂️Social Club and more than 50 events per year - coming soon;

⚖️ Competitive remuneration level with annual review;

🏄🏻‍♂️ Teambuilding activities.
 

Bold moves start here. Make yours. Apply today! 

Domain: iGaming / Gambling
Format: Product company
Experience: 5+ years

About the Company

We are an international product company operating in the gambling sector. Our platform delivers real-time personalization for casino and sportsbook products using advanced machine learning. The solution processes live behavioral, transactional, and contextual data to improve player engagement, retention, and overall performance for operators worldwide.

Our focus is on building production-grade ML systems that directly influence what users see in real time — from game recommendations to personalized content and promotions.

Role Overview

We are looking for a Senior Data Scientist to join a product-focused team working on real-time personalization and recommendation systems for iGaming platforms.

This is a hands-on role that combines modeling, experimentation, and close collaboration with engineering and product teams in a high-load, real-time production environment.

Main Responsibilities

• Develop ML-driven features for casino products using supervised learning (regression, ranking, classification)
• Maintain and improve existing recommendation systems in production
• Enhance models using gradient boosting and other supervised approaches
• Perform data cleaning, preprocessing, and feature engineering
• Design and maintain pre- and post-processing workflows
• Optimize training and inference pipelines for performance and reliability
• Integrate ML models into Airflow pipelines in a multi-tenant environment
• Adapt and configure the solution for different clients (tenants)
• Collaborate closely with product and engineering teams on experimentation and feature delivery

As Part of the Team You Will

• Work cross-functionally with data scientists, engineers, product owners, designers, and researchers
• Analyze large-scale datasets to extract insights for product and business decisions
• Propose, implement, and evaluate ML approaches to solve real business problems
• Support and evolve a recommendation solution used across multiple tenants
• Influence product strategy through research, experimentation, and data-driven insights into user behavior

Experience & Education

• 5+ years of professional experience in data science
• Degree in a quantitative field (Mathematics, Statistics, Computer Science, or similar)

Core Skills

• Strong proficiency in Python and SQL
• Hands-on experience with data processing tools (Pandas, Polars)
• Solid engineering skills for building and maintaining scalable ML systems
• Experience implementing observability in ML pipelines (metrics, logging, alerting)
• Knowledge of Docker and Kubernetes
• Strong analytical mindset with the ability to solve loosely defined problems
• Hands-on experience with supervised ML techniques, including:
  • Regression and ranking models (XGBoost, LightGBM, CatBoost, neural networks)
  • Feature engineering and model evaluation (AUC, NDCG, MSE, uplift metrics)
  • Personalization or recommendation systems
• Proven experience deploying ML models to production (near real-time or batch)
• Solid understanding of statistical methods (A/B testing, significance testing)

Nice to Have

• Production experience with large-scale recommendation systems
• Experience with Airflow, Valkey/Redis, FastAPI in production
• Familiarity with contextual bandits or reinforcement learning
• Experience with AutoML tools

BrainRocket is a global company creating end-to-end tech products for clients across Fintech, iGaming, and Marketing. ‍Young, ambitious, and unstoppable, we've already taken Cyprus, Malta, Portugal, Poland, and Serbia by storm. Our BRO team consists of 1,300 bright minds creating innovative ideas and products. We don’t follow formats. We shape them. We build what works, launch it fast, and make sure it hits.
 

❗️ Important: This is an On-Site Position in Spain❗️

This is an on-site position based at our office in Spain, Valencia. Remote or hybrid arrangements are not available once you join the team.

Are you ready for an international move? We are looking for candidates who are either already based in Lisbon or are eager to relocate to Portugal.
To make your transition smooth, we provide full relocation support and visa sponsorship for successful international candidates ❗️

⚡ We are looking for an experienced Team Lead Backend Developer (Node.js) to join our development teams in Valencia and lead the backend technologies of our systems. This is a highly hands-on role: you will be actively writing and reviewing code, shaping architecture, and driving technical excellence while mentoring your team.

✅ Responsibilities:

• Lead, mentor, and manage backend engineers through regular one-to-one sessions, feedback, performance evaluations, and individual development plans.
• Actively write, review, and refactor code and directly contribute to building and improving our systems.
• Participate in agile ceremonies (Scrum/Kanban) to ensure team alignment and adherence to agile best practices.
• Enhance system quality by resolving technical debt, optimizing architecture and flows, and performing data cleaning and restructuring.
• Design solutions and make key technical decisions for changes and enhancements.
• Assign tasks and balance workloads within the team to ensure efficient delivery.
• Collaborate with Engineering Managers to adopt the latest technologies and drive company-wide engineering initiatives.
• Document domain knowledge, improve engineering standards, and contribute to initiatives that enhance the broader engineering organization.

✅ Requirements:

• Bachelor’s, Master’s, or higher degree in Computer Engineering, Computer Science, Applied Mathematics, or a related field.
• 8+ years of professional backend development experience.
• 3+ years of experience in leadership positions.
• Strong experience with Node.js and modern web development.
• Knowledge of Kubernetes, containers, infrastructure, system design, SQL, and NoSQL databases.
• Experience with RESTful APIs, message brokers, 3rd party integrations, and secure development practices.
• Familiarity with CI/CD, microservices, cloud-based development, and test-driven development is a plus.
• Deep understanding of data structures, coding patterns, and algorithms.
• Experience with agile methodologies, ideally Scrum.
• Excellent problem-solving, diagnostic, and troubleshooting skills.
• Strong leadership, organizational, and mentoring abilities.
• Upper-intermediate or advanced English.
 

✅ We offer excellent benefits, including but not limited to:

🧑🏻‍💻 Learning and development opportunities and interesting challenging tasks;

✈️ Relocation package (tickets, staying in a hotel for 2 weeks);

🏋️‍♂️ Company fitness corner in the office for employees;

📚 Opportunity to develop language skills and partial compensation for the cost of language classes;

🎁 Birthday celebration present;

🏝 Time for proper rest and 24 working days of Annual Vacation;
 

Join BrainRocket and rock with us! 🚀

Bold moves start here. Make yours. Apply today!